Featured Image: Star Formation in a Long Tail
This stunning image shows a long gas tail stripped from the center of a speeding spiral galaxy in the Coma Cluster.
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AAS 233: Day 4
This week we’re at the winter AAS meeting in Seattle, WA. Here are the highlights from Day 4!
AAS 233: Day 3
This week we’re at the winter AAS meeting in Seattle, WA. Here are the highlights from Day 3!
AAS 233: Day 2
This week we’re at the winter AAS meeting in Seattle, WA. Here are the highlights from Day 2!
AAS 233: Day 1
This week we’re at the winter AAS meeting in Seattle, WA. Here are the highlights from Day 1!
AAS 233: Welcome!
This week we’ll be bringing you updates from the 233rd AAS meeting in Seattle, WA.
AAS Publishing at AAS 233 in Seattle
Will you be at the 233rd American Astronomical Society meeting in Seattle, Washington? We look forward to seeing you there!
Occultations Suggest No Rings for Ultima Thule
Does the distant solar-system body Ultima Thule have rings? Previous observations may answer this question even before we see images from the New Horizons flyby.
Selections from 2018: Looking for the Shadow of Our Galaxy’s Black Hole
Radio observations of the supermassive black hole at the center of the Milky Way have reached their highest resolution yet, teasing out details of this source’s structure.
Selections from 2018: Identifying Exoplanets with Deep Learning
Thanks to machine-learning algorithms, the star Kepler-90 has been found to host eight planets — as many as our own Sun.
Selections from 2018: Pinning Down Our Expanding Universe
New observations have provided the most precise measurement yet of how fast our universe is expanding.
Selections from 2018: Using Lasers to Talk to ET
Could we communicate with distant extraterrestrial intelligence using lasers? A new study says yes.